26. The way _______ the scientist solved the problem was different from what the other scientists were used to.
You______be tired—you've only been working for an hour.
Father______for London on business upon my arrival,so I didn't see him.
The success of this project______everyone making an effort.
When______,the museum will be open to the public next year.
—Could you help me change the wheel,sir?—______,madam,which one?